An introduction to Functional indexes in MySQL 8.0, and their gotchas
Another interesting feature released with MySQL 8.0 is full support for functional indexes. Although this is not a strictly new concept in the MySQL world (indexed generated columns provided the same...
View ArticleBuilding MySQL 5.6 from source on Ubuntu 18.04
This explains the steps I used to build MySQL 5.6.35 from source on Ubuntu 18.04. I build with the perf schema disabled and if you do that then don't use Connector/J 5.1.48 (5.1.47 is OK) or you won't...
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Use Case: Continuous MySQL Operations for Growing SaaS Business
In this fourth post in our MySQL Use Case Blog Series we look at a customer of ours who was able to grow their Saas business from tens of customers initially to thousands of enterprise customers once...
View ArticleJava and Database Newsletter, Issue 5
Introduction Welcome to a new issue of the Java and Database newsletter in which we share articles, announcements, and StackOverflow answers that are very relevant to any developer who interacts with...
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Fun with Bugs #95 - On MySQL Bug Reports I am Subscribed to, Part XXIX
With conferences cancelled or postponed and people forced to stay at home due to COVID-19 wide spreading, what can be better than to give my readers a new list of MySQL bugs to check? Useful reading...
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MySQL & Dockers...a simple set up
MySQL & Dockers... are not new concepts, people have been moving to Dockers for some time now. For someone who is just moving to this for development, it can have a few hurdles.While MySQL works...
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Using MySQL Enterprise Audit Filtering for only Insert/Update/Delete...
How to Audit only DML Actions ? Step by step to Enable Fine Grained MySQL Auditing for Insert/Update/Delete Queries for all Users. Before i talk about MySQL Audit Filtering , it is more important to...
View ArticleMySQL 5.6 End of Life is February 2021
You will be hearing a lot from me and others about the product end of life (EOL) of MySQL version 5.6 which will be February 2021.Why?While MySQL 8.0 is a vast leap forward over previous versions and...
View ArticleStorage and Indexed access of denormalized columns (arrays) on MySQL 8.0, via...
Another “missing and missed” functionality in MySQL is a data type for arrays. While MySQL is not there yet, it’s now possible to cover a significant use case: storing denormalized columns (or arrays...
View ArticleHow to Install MySQL 8 Database Server on CentOS 8
MySQL is a free, open-source and one of the most popular database systems around the globe. In this tutorial, we will show you how to install MySQL 8 on CentOS 8 server.
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Controlling table encryption in MySQL 8.0
MySQL 5.7.11 introduced InnoDB transparent tablespace encryption, which enabled support for file-per-table tablespaces, and this feature is discussed in this blog. Later in MySQL 8.0.13, encryption...
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MySQL User Camp, Bangalore, India – 5th March 2020
A MySQL User Camp was held on 5th March 2020 at Oracle India Pvt Ltd, Kalyani Magnum Infotech Park, Bangalore, India. The attendees included developers, DBAs and trainers from Amex, Robert Bosch,...
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Using OCI to install WordPress and MySQL 8.0
Today we will see how to install WordPress in Oracle Cloud (OCI). We will use Oracle Cloud’s Free Trier and deploy 2 compute instances: the webserver (apache, PHP and WordPress) the database server...
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Help Drive the Future of Percona XtraDB Cluster
Percona is happy to announce the experimental release of Percona XtraDB Cluster 8.0. This is a major step for tuning Percona XtraDB Cluster to be more cloud- and user-friendly. This is the second...
View Article3 Things Before Migrating To CloudSQL(MySQL)
If you are going to migrate your MySQL workloads to GCP’s managed database service CloudSQL, then you have to keep these points in mind. We have done a lot of CloudSQL migrations. But sometimes it’s...
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New Book: MySQL 8 Query Performance Tuning
Tweet I have over the last few years been fortunate to have two books published through Apress, Pro MySQL NDB Cluster which I wrote together with Mikiya Okuno and MySQL Connector/Python Revealed. With...
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MySQL Client program | Some interesting features
As a MySQL database administrator, we all using the MySQL client program for communicate to MySQL Server . Maximum the client program is used to execute the SQL’s, monitor the traffic and modify the...
View ArticleMySQL Workbench managing MySQL behind a Private IP
There are many users of MySQL in Cloud environment regions. It’s ideal that those MySQL instances are implemented with only private-ips in the respective Subnet. No public-ips. For that matter, all...
View ArticleRow scanned equals to 1, Is the query is optimally tuned ?
A few days ago one of our intern @mydbops reached me with a SQL query. The query scans only a row according to the execution plan. But query does not seems optimally performing. Below is the SQL query...
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GTID creation in Normal MySQL and MySQL Group Replication | Configure async...
We know well the MySQL Group Replication cluster is functionally working based on the GTID . GTID is mandatory for group replication . Usually, GTID is the combination of source_id ( or server_uuid )...
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